// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_SUPPORT_CLEANSE_H
#define BITCOIN_SUPPORT_CLEANSE_H

#include <cstdlib>

/**
 * Secure overwrite a buffer (possibly containing secret data) with zero-bytes.
 * The write operation will not be optimized out by the compiler.
 */
void memory_cleanse(void *ptr, size_t len);

#endif // BITCOIN_SUPPORT_CLEANSE_H
